GDCM 3.0.26

gdcmException.h
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1/*=========================================================================
2
3 Program: GDCM (Grassroots DICOM). A DICOM library
4
5 Copyright (c) 2006-2011 Mathieu Malaterre
6 All rights reserved.
7 See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
8
9 This software is distributed WITHOUT ANY WARRANTY; without even
10 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11 PURPOSE. See the above copyright notice for more information.
12
13=========================================================================*/
14#ifndef GDCMEXCEPTION_H
15#define GDCMEXCEPTION_H
16
17#include <cassert>
18#include <cstdlib> // NULL
19#include <exception>
20#include <sstream> // ostringstream
21#include <stdexcept> // logic_error
22#include <string>
23
24// Disable clang warning "dynamic exception specifications are deprecated".
25// We need to be C++03 and C++11 compatible, and if we remove the 'throw()'
26// specifier we'll get an error in C++03 by not matching the superclass.
27#if defined(__clang__) && defined(__has_warning)
28# if __has_warning("-Wdeprecated")
29# pragma clang diagnostic push
30# pragma clang diagnostic ignored "-Wdeprecated"
31# endif
32#endif
33
34 namespace gdcm
35{
36
43 class Exception : public std::exception
44{
49 typedef std::logic_error StringHolder;
50
52 static StringHolder CreateWhat(const char* const desc,
53 const char* const file,
54 const unsigned int lineNumber,
55 const char* const func)
56 {
57 assert(desc != nullptr);
58 assert(file != nullptr);
59 assert(func != nullptr);
60 std::ostringstream oswhat;
61 oswhat << file << ":" << lineNumber << " (" << func << "):\n";
62 oswhat << desc;
63 return StringHolder( oswhat.str() );
64 }
65
66 public:
72 explicit Exception(const char *desc = "None",
73 const char *file = __FILE__,
74 unsigned int lineNumber = __LINE__,
75 // FIXME: __PRETTY_FUNCTION__ is the non-mangled version for __GNUC__ compiler
76 const char *func = "" /*__FUNCTION__*/)
77 :
78 What( CreateWhat(desc, file, lineNumber, func) ),
79 Description(desc)
80 {
81 }
82
83 ~Exception() throw() override {}
84
86 const char* what() const throw() override
87 {
88 return What.what();
89 }
90
92 const char * GetDescription() const { return Description.what(); }
93
94 private:
95 StringHolder What;
96 StringHolder Description;
97};
98
99} // end namespace gdcm
100
101// Undo warning suppression.
102#if defined(__clang__) && defined(__has_warning)
103# if __has_warning("-Wdeprecated")
104# pragma clang diagnostic pop
105# endif
106#endif
107
108#endif
gdcm::Exception::~Exception
~Exception() override
Definition gdcmException.h:83
gdcm::Exception::GetDescription
const char * GetDescription() const
Return the Description.
Definition gdcmException.h:92
gdcm::Exception::Exception
Exception(const char *desc="None", const char *file=__FILE__, unsigned int lineNumber=__LINE__, const char *func="")
Definition gdcmException.h:72
gdcm::Exception::what
const char * what() const override
what implementation
Definition gdcmException.h:86
gdcm
Definition gdcmASN1.h:21